from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range ) class Constants(BaseConstants): name_in_url = 'field_test' players_per_group = 2 num_rounds = 1 class Subsession(BaseSubsession): pass class Group(BaseGroup): pass class Player(BasePlayer): 1_a = models.LongStringField() 1_b = models.LongStringField()